Home / 406,581.43-561,094.69-225,276.40

Finding the Fourth Proportional to 406,581.43, 561,094.69 and 225,276.40

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Solution

The fourth proportional to 406,581.43, 561,094.69 and 225,276.40 is: 310,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,581.43 : 561,094.69 = 225,276.40 : x
  2. Step 2: Convert to fraction form
    406,581.43/561,094.69 = 225,276.40/x
  3. Step 3: Cross multiply
    406,581.43x = 561,094.69 × 225,276.40
  4. Step 4: Simplify right side
    406,581.43x = 126,401,390,695.93
  5. Step 5: Solve for x
    x = 126,401,390,695.93/406,581.43
  6. Step 6: Final answer
    x = 310,888.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.